2021002305

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{392809}}^1$

素因数の和:392838

約数の個数: 32

約数和(自身を含む): 3770976000

約数和(自身を除く): 1749973695

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 392809, 1178427, 1964045, 2749663, 5892135, 8248989, 13748315, 19247641, 41244945, 57742923, 96238205, 134733487, 288714615, 404200461, 673667435, 2021002305]

約数ペア:

[(1, 2021002305), (3, 673667435), (5, 404200461), (7, 288714615), (15, 134733487), (21, 96238205), (35, 57742923), (49, 41244945), (105, 19247641), (147, 13748315), (245, 8248989), (343, 5892135), (735, 2749663), (1029, 1964045), (1715, 1178427), (5145, 392809)]